Immunoglobins

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Ig u should know it for DAT test...

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5 Terms

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IgA

  • antibody that acts as immune function of mucous membranes

  • In bodily secretions like milk, tears, saliva

  • Transfers passive immunity to newborns through breastfeeding

Dimer

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IgD

  • Activates B cells

  • Monomer

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IgE

  • Role in allergic reactions

  • Monomer

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IgG

  • In blood and extracellular fluid

  • Long-term protection

  • Important in fighting bacterial and viral infections

  • Can cross placenta to provide passive immunity to the developing fetus

  • Monomer

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IgM

  • FIRST ANTIBODY TO BE PRODUCED in response to infection

  • Effective in forming complexes with antigens, initiating immune response

  • Pentameric form – 5 linked monomers